Memory dialing control system having improved telephone number retrieval function by using history information

摘要

A memory dialing system includes a first memory in which registered names and registered identification numbers respectively relevant to a plurality of telephone numbers are registered so that the plurality of telephone numbers may be respectively retrieved by specifying the corresponding respective names. A sort table is used for storing the identification numbers in a predetermined order with respect to the first letters in the spellings of the names. A history telephone-number table is provided for storing the used telephone numbers in a order in which the used telephone numbers have been used. A history identification-number table is also used for storing used identification numbers among the registered identification numbers respectively relevant to the used telephone numbers in an order in which the used telephone numbers have been used. A frequency table is used for storing the used identification numbers in an order with respect to the frequencies which the used telephone numbers have been used.